objective zoology for PMT
Free Biology Cbse Pmt Online Practice Test
question bank pmt zoology
1. Philadelphia chromosome is reported in patients suffering from:
(a) Insomnia
(b) Leukaemia
(c) Tuberculosis
(d) Hepatitis
Ans. (b)
2. ‘Sudan Black B’ stain is used to stain:
(a) Nucleic acid
(b) Protein
(c) Polysaccharide
(d) Lipid
Ans. (d)
3. Which one of the following said that cells originate from pre existing cells?
(a) Virchow
(b) Schleiden
(c) Robert Hooke
(d) Dujardin
Ans. (a)
4. The desmosomes are concerned with:
(a) Cell division
(b) Cell adherence
(c) Cytolysis
(d) Cellu4r excretion
Ans. (b)
5. Tectonic is the study of:
(a) Volcanoes
(b) Earth’s crust
(c) Sand dunes
(d) Sun
Ans. (a)
6. Karyolymph is:
(a) Nuclear
(b) Nuclear sap
(c) Spem membrane
(d) Cell sap
Ans. (b)
7. Terminalization is a process related with
(a) Diakinesis
(b) Cytokinesis
(c) Meiosis II
(d) Mitosis
Ans. (a)
8. Ventral root of spinal nerve is composed of:
(a) Somatic motor and visceral sensory fibres
(b) Somatic sensory and visceral sensory fibres
(c) Somatic motor and visceral motor fibres
(d) Somatic sensory and visceral motor fibres
Ans. (c)
9. Which malarial parasite has the longest incubation period?
(a) Plasmodiuin vivax
(b) Plasmodium ovale
(c) Plasmodium falciparum
(d) Plasmodium malariae
Ans. (d)
10. Pathogen for French pox is:
(a) Variola
(b) Rubeola
(c) Treponema
(d) Trachorna
Ans. (c)
11. Camouflage of Chameleon is associated with:
(a) chromomere
(b) chromozone
(c) chromoplast
(d) chromatophore
Ans. (d)
12. Stenson’s duct is associated with:
(a) Parotid gland
(b) Cardi gland
(c) Thyroid gland
(d) Mushroom gland
Ans. (a)
13. The gland controlling egg production of moulting in insects
(a) Corpora cardiacum
(b) Corpora allata
(c) Corpus callosum
(d) Corpus luteum
Ans. (b)
14. A woman showing extra Barr bodies in chromosome during amniocentesis is showing that the embryo is associated with:
(a) Klinefelter’s syndrome
(b) Edward’s syndrome
(c) Down’s syndrome
(d) Patau’s syndrome
Ans. (a)
15. Aflatoxins are produced by:
(a) Aspergillus flavus
(b) Traponema
(c) Plasmodium
(d) Penicillium chryosogenum
Ans. (b)
16. Lethal gene of Drosophila is:
(a) Curly wings (Cy)
(b) Plum eyes (Pm)
(c) Stubbles (Sub)
(d) All of these
Ans. (d)
17. Which of the following is viral disease?
(a) Diphtheria
(b) Tuberculosis
(c) Malaria
(d) Smallpox
Ans. (d)
18. Which of the following is not a plant product?
(a) Flax
(b) Cotton
(c) Hemp
(d) Silk
Ans. (d)
19. In earthworm, self fertilization can not occur due to:
(a) Hypogyny
(b) Protogymy
(c) Protoandry
(d) Epigymy
Ans. (c)
20. Chemoreceptor in Pila is:
(a) Radula
(b) Osphradium
(c) Ctenidum
(d) None of these
Ans. (b)
21. Pounched mammals are known as:
(a) Prototherians
(b) Metatherians
(c) Eutherians
(d) Therians
Ans. (b)
22. Balbiani rings are found in:
(a) Polysomes
(b) Polytene chromosomes
(c) Autosomes
(d) Non-sense chromosomes
Ans. (b)
23. Immediately after ovulation, the mammalian egg is covered by a membrane called as:
(a) Chhorion
(b) Corona radiata
(c) Zona pellucida
(d) None of these
Ans. (c)
24. A disease in many Africans which reduces oxygen uptake by blood and is genetic disease called
(a) Anaemia
(b) Haemophilia
(c) Pemecious anaemia
(d) Sickle cell anaemia
Ans. (d)
25. In cockroach, the ootheca is formed by the secretion of:
(a) Phallic gland
(b) Mushroom gland
(c) Collaterial glan4
(d) Conglabate gland
Ans. (c)
Directions: In the following questions more than one answer given may be correct select the correct answers according to the code—
Code—
(a) 1, 2 and 3 are correct
(b) 1 and 2 are correct
(c) 1, 2 and 4 are correct
(d) 1 and 3 are correct
26. In the immune system of body:
(1) Only protein serve as immunogens for cell mediated immunity
(2) Lipids and nucleic acid do not serve as immunogens
(3) Immunogenicity is an intrinsic property of a macromolecule
(4) Immune system recognises bacterial products and fungal parasites
Ans. (c)
27. The branches of trigeminal nerve are:
(1) Opthalmic
(2) Mandibular
(3) Glossopharyngeal
(4) Maxillary
Ans. (c)
28. Excessive secretion of somatotropin leads to a disorder called
(1) Giantism
(2) Acromegaly
(3) Cretinism
(4) Addison’s disease
Ans. (b)
29. LH in human female is:
(1) Facilitates luteinisation of granulosa cells of ovulated follicle
(2) Called ovulation hormone
(3) Helps in milk eyection
(4) Activate Leydig’s cell to secrete androgen
Ans. (b)
30. Correctly matched pairs are:
(1) Clitoris—erectile body in female homologous to glans penis of male
(2) Sexual inter course—coirtus
(3) Colostrum—secretion found in seminal fluid
(4) Areola—pigmented circular area around the nipple
Ans. (d)
31. The organs which have duel origin form embryonic layers:
(1) Hypophysis
(2) Adrenal gland
(3) Sense organs
(4) Pancreas
Ans. (a)
32. Correctly matched pairs are:
(1) Allopatric species—separated by distance barrier
(2) Darwin’s finches—unique to Galapagos Island
(3) Coacervates—aggregates of large complex organic compounds bound by a membrane
(4) Species are not—Lamarckism immutable
Ans. (a)
33. Amniocentesis is a method to:
(1) Detect genetic disorder in an unborn baby
(2) Prenatal sex-determination
(3) Medical termination of pregnancy
(4) Fertilize the egg
Ans. (b)
34. Biomedical technique commonly used are:
(1) Magneto—study of brain in health and encephalography disease
(2) PET imaging—measurment of cerebral blood volume and flow rate
(3) Nuclear induction method—discovered by Banting and Best
(4) Tomography—treatment by radiation
Ans. (a)
35. Which one is correct?
(1) Modem classification—based on phylogeny
(2) Artificial classification—Theophrastus
(3) Biometry—study of geographical distribution of organisms
(4) Natural classification—based on genetic and reproductive character
Ans. (c)
36. The larval forms of Taenia solium are:
(1) Hexacanth
(2) Bladder worm
(3) Miracidium
(4) Cysticercus
Ans. (c)
37. The amphibians which show parental care:
(1) Pipa americana
(2) Alytes obstetrecons
(3) Ichthyophis
(4) Rana tigrina
Ans. (b)
38. The striated muscles are characterised that:
(1) They are multinucleate and syncytial
(2) Sarcolemma is found over them
(3) Are found in pulmonary vein
(4) Jaw muscles are striated, voluntary and strongest
Ans. (c)
39. In the given statements:
(1) Fundic stomach is the site of digestion
(2) Cardiac glands are found in stomach
(3) Pepsinogen is secreted by paneth cells of crypts of lieberkuhn
(4) Gastric juice has pH 2.0
Ans. (c)
40. Identify the correctly matched pair:
(1) Uremia—excessive amount of urea in blood
(2) Hyperglycemia—excess glucose in blood
(3) Absence of factor-VIII—hemophilia
(4) X-linked disorder—glycosuria
Ans. (a)
41. Among the given statement:
(1) Larynx is larger in human males than in females
(2) The air tube in mammals is called trachea
(3) Bifurcation of trachea is called bronchi
(4) Sound producing organ of human female is syrinx
Ans. (a)
42. True statement about the respiratory process in human, is/are:
(1) Human males use thoracic rib cage and diaphragm for breathing while females use only thoracic rib cage
(2) In normal expiration the diaphragm is arched
(3) High temperature of body ptomates accelerated breathing
(4) The rate of respiration is slowest while eating food
Ans. (a)
43. On the basis of nature of maternal and foetal tissue, types of placenta are
(1) Haemochorial placenta
(2) Haemoendothelial placenta
(3) Cotyledonary placenta
(4) Deciduate placenta
Ans. (b)
44. Antigenic determinant sites bind to which portions of an antibody molecule?
(1) Light chain
(2) Heavy chain
(3) Intermediate chains
(4) Plasma cells
Ans. (b)
45. Types of quill (flight) feathers are
(1) Down feathers
(2) Covert
(3) Filoplume
(4) Remiges
Ans. (c)
46. Linkage groups:
(1) Have genes which were linked together in a single chromosomes
(2) Shows independent assortment
(3) Do not show independent assortment
(4) In prokaryotes are more than one
Ans. (d)
47. G1omrular filterate is:
(1) Formed continuously by the process of ultrafilteration occurring at malpighian corpuscles in which the blood cells and the colloidal macromolecues are not allowed to pass across the filtering surface
(2) The lipid free fluid collected within the lumen of Bowman’s capsule
(3) The protein free fluid collected within the lumen of Bowman’s capsule
(4) Formed by the process of selective reabsorption
Ans. (d)
48. Robert Hooke is:
(1) Father of Cytology
(2) Coined the term ‘cell’
(3) Father of Physiology
(4) Father of Modern Genetics
Ans. (b)
49. Blood does not clot inside the vessels because
(1) Constant speedy flow of blood prevents accumulation of fibrin threads, if at all formed
(2) Absence of heparin, an anticoagulant having antithrombin activity, in blood
(3) Smoothness of the endothelial lining prevents rupture of platelets and formation of thromboplastin from them
(4) Presence of monomolecular layer of negatively charged protein adsorbed to the inner surface of endothelium which attracts the clotting factors
Ans. (d)
50. Which of the following conditions are responsible for sweating to occur?
(1) Increase of blood temperature due to excessive heat production in the body, e.g., vigorous muscular exercise
(2) Emotional conditions like fear, anger, anxiety, excitement, mental tension etc
(3) During breathing distress and cardiac abnormalities
(4) During drinking
Ans. (a)
Saturday, April 23, 2011
Zoology objective test For IAS Prelims
Zoology objective test For IAS Prelims
IAS Prelims Papers Free Download Zoology
prelims IAS zoology solved Model paper
1. Which one of the following insects is known to be primitively apterous?
(a) Pediculus
(b) Cimex
(c) Xenopsylla
(d) Lepisma
Ans. (d)
2. Match list-I with list-II and select the correct answer using the codes below the lists:
List-I List-II
A. Sea slug 1. Scaphopoda
B. Green house slug 2. Nudibranchia
C. Squids 3. Pulmonata
D. Tooth shells 4. Cephalopoda
Codes:
A B C D
(a) 4 2 3 1
(b) 4 2 1 3
(c) 2 3 4 1
(d) 2 3 1 4
Ans. (c)
3. Which one of the following pairs is not correctly matched?
(a) Asteroidea— Asterias
(b) Echinoidea—Astropecten
(c) Holothuroidea— Cucumaria
(d) Crinoidea— Antedon
Ans. (b)
4. Which one of the following pairs in not correctly matched?
(a) Monocystis — Digenetic
(b) Paramecium — Conjugation
(c) Hydra — Budding
(d) Fasciola — Hermaphrodite
Ans. (a)
5. Totipotency phenomenon in Hydra is best demonstrated by
(a) Nutritive cells
(b) Nematocysts
(c) Interstitial cells
(d) Gland cells
Ans. (c)
6. Match list-I with list-II and select the correct answer using the codes given below the lists:
List-I List-II
A. Gastropod 1. Fasciola
B. Archnida 2. Pila
C. Ciliata 3. Paramecium
D. Trematoda 4. Buthus
Codes:
A B C D
(a) 1 2 3 4
(b) 1 2 4 3
(c) 2 4 3 1
(d) 2 4 1 3
Ans. (c)
7. In Nereis, mature and ripe gametes are discharged out of the body segments through
(a) a pair of genital ducts present in each segment that open on the ventro-lateral surface
(b) a genital duct of temporary nature that opens through a temporary pore formed in dorsally situated ciliated organ
(c) nephridiopore via nephridia present in each segment
(d) a pair of large unbranched glandular pouches or caeca that open into oesophagus, and finally through anus
Ans. (c)
8. Which one of the following is the correct order in which podomeres appear in a leg of a scorpion?
(a) Trochanter, femur, patella, coxa, tibia, protarsus, tarsus
(b) Coxa, trochanter, femur, protarsus, tarsus, tibia, patella
(c) Coxa, trochanter, femur, patella, tibia, protarsus, tarsus
(d) Coxa, femur, tibia, trochanter, patella, protarsus, tarsus.
Ans. (c)
9. Snails have a hard cone-shaped external shell. When left undisturbed, the animal is able to extend itself for a considerable degree beyond the mouth of the shell. However, a portion of the body always remains concealed in the interior of the conical shell even when the animal has extended itself to its utmost. Which of the reason(s) given below explain(s) this phenomenon?
(i) The body is organically connected with the interior of the shell.
(ii) The twisted shell the torsioned body presents a physical impediment that does not allow the full animal to go out.
Select the correct answer using the codes given below:
Codes:
(a) i alone
(b) ii alone
(c) i and ii
(d) neither i nor ii
Ans. (b)
10. The juvenile hormone in insect is secreted from
(a) corpora cardiaca
(b) prothoracic gland
(c) mushroom gland
(d) corpora allata
Ans. (d)
11. The glochidium larval form of a freshwater bivalve survives on a fish host. In the fish, it is attached to the
(a) skin
(b) gills
(c) wall of alimentary canal
(d) lining of blood vessels
Ans. (b)
12. From the functional point of view, the adductor muscle of bivalve are
(a) non-striated fibres with sustained action
(b) striated fibres with sustained action
(c) slow-acting non-striated fibres
(d) quick-acting striated fibres
Ans. (d)
13. Match list-I (patterns of cleavage) with list-II (group of animals) and select the correct answer using the codes given below the lists
List-I List-II
A. Radial 1. Echinodermata
B. Spiral 2. Mollusca
C. Bilateral 3. Ascidia
D. Irregular 4. Coelenterate
Codes:
A B C D
(a) 1 2 3 4
(b) 2 13 4
(c) 1 2 4 3
(d) 2 1 4 3
Ans. (a)
1999
14. One of the major events associated with amoeboid locomotion is
(a) actin polymerization
(b) activation of acetyicholinesterase
(c) chromosome condensation
(d) microfilament disruption’
Ans. (a)
15. The protozoan species actinophrys solution is commonly known as
(a) slipper animalcule
(b) sun animalcule
(c) whell animalcule
(d) homancule
Ans. (b)
16. Consider the following statements
(i) Xenopsylla belongs to the sub-class Pterygota of the class Insecta
(ii) Locomotory organelle of Mastigophora is flagella
(iii) Euspongia is common bath sponge
(iv) Coelenterates are pseudocoelomates
Which of the above statements is/are correct?
(a) i alone
(b) i and ii
(c) i, ii and ii
(d) ii, iii and iv
Ans. (c)
17. In which one of the following animals does the same opening function both as the mouth and the anus?
(a) Ascaris
(b) Pheretima
(d) Obelia
(c) Peripatus
Ans. (d)
18. Which one of the following is not applicable to all the three helminthes, Taenia, Fasciola and Planaria?
(a) Triploblastic forms
(b) Absence of metamerism
(c) Parasitism
(d) Absence of definite circulatory and respiratory systems
Ans. (c)
19. Which one of the following pairs is not correctly matched?
(a) Ascaris lumbricoides — Round worm
(b) Enterobius vermicularis — Pin worm
(c) Drancunculus medinensis — Filarial worm
(d) Plasmodium vivax — Malarial parasite
Ans. (c)
20. Which one of the following is the correct example for a pseudocoelomate animal?
(a) Taenia solium
(b) Fasciola hepatica
(c) Schistosoma indicum
(d) Ascaris lumbricoides
Ans. (d)
21. The derids are the
(a) excretory organs situated on the side of excretory pores of ainnelids
(b) sense organs situated on each side at the level of excretory pore of nematodes
(c) associated structures near the reproductive organs of annelids
(d) excretory organs of some arthropods
Ans. (a)
22. Which one of the following annelids becomes brilliantly luminous in the dark?
(a) Pheretima
(b) Hirudo
(c) Nereis
(d) Chaetopterus
Ans. (d)
23. The following tissues exist in the body wall of earthworm
1. Epidermis
2. Longitudinal layer of muscles
3. Circular layer of muscles
4. Cuticle
5. Dermis
The correct sequence of these tissues is:
(a) 2, 1, 3, 4, 5
(b) 5, 1, 2, 4, 3
(c) 4, 2, 3, 1, 5
(d) 4, 1, 5, 3, 2
Ans. (d)
24. Most of the lower aquatic animals such as protozoans, annelids, molluscs etc., are anamonotelic, because
(a) ammonia helps in checking in flow of water into 1ody
(b) excretion of ammonia requires large amount of water which is available to these animals
(c) water available to these animals contain less nitrogen
(d) ammonia can be converted into urea
Ans. (b)
25. Molluscs with radula having rows of teeth diverging like the ribs of fan belong to
(a) Nudibranchia
(b) Scaphopoda
(c) Rhipidoglossa
(d) Docoglossa
Ans. (d)
26. Heterocotylization is a special modification during the breeding season of
(a) Loligo
(b) Octopus
(c) Nautilus
(d) Sepia
Ans. (c)
27. Ambulacral grooves are closed in
(a) Ophiuroidea
(b) Holothuroidea
(c) Crinoidea
(d) Echinoidea
Ans. (a)
28. Lambda particles in Paramecium are particles which
(a) cause the sensitive Paramecia to lyse or disintegrate
(b) induce the Paramecia to start reproducing
(c) induce the Paramecia to stop reproducing
(d) control digestion at intervals
Ans. (a)
29. Conjugation (amphimixis) type of reproduction in Paramecium is an indication of high level of specialization where individuals of
(a) different syngens participate
(b) the same syngens belonging to two opposite mating types participate
(c) same syngens and same mating type participate
(d) the same mating type participate
Ans. (b)
30. The plasma membrane of Amoeba is
(a) sufficiently firm but elastic
(b) unable to regulate the chemical exchange between the protoplasm and outside environment
(c) unable to form pseudopodia
(d) unable to perform pinocytosis through it
Ans. (a)
31. Water vascular system in Sycon exhibits which one of the following courses following water current?
(a) Ingressing water — dermal ostia — incurrent canal — prosopyle — radial canal — apopyle — spongocoel — osculum — outside
(b) Ingressing water — dermal ostia — incurrent canal — gastral ostia —spongocoel — osculum — outside
(c) Ingressing water — dermal ostia — incurrent canal — prosopyle — radial canal — apopyle - excurrent canal
osculum — outside
(d) Ingressing water — Sub-dermal space — incurrent canal — prosopyle — radial canal — apopyle — spongocoel — osculum — outside
Ans. (a)
32. In the eurypylous leucon type water vascular system, the flagellated chamber exhibits specialization over other types in having a
(a) small chamber which communicates with the excurrent canal by a tube called prosodus
(b) small chamber - which communicates with the excurrent canal by a tube called aphodus
(c) big chamber which communicates with the excurrent canal by both prosodus and aphodus
(d) small chamber which opens into excurrent canal by abroad aperture, apopyle
Ans. (d)
33. In the adult medusoid form of Obelia, the lithocysts which coordinate swimming movements are present at the bases of
(a) all the tentacles
(b) only four tentacles, juxtaposing the termini of the four radial canals
(c) eight of the tentacles, two in each quadrant
(d) sixteen tentacles which initially appear in the newly born medusa
Ans. (c)
34. Given below are some glands of Fasciola and their respective functions:
(i) Mehlis’s glands — Shell formation
(ii) Vitelline glands — Yolk formation
(iii) Prostate glands — Sperm movement during copulation
Select the correct match using the codes given below:
Codes:
(a) i and ii
(b) ii and iii
(c) i and iii
(d) i, ii and iii
Ans. (b)
35. Which one of the following features explains the process of apolysis in Taenia?
(a) Regeneration of segments
(b) Shedding of gravid proglottid
(c) Development of male reproductive organs
(d) Development of female reproductive organs
Ans. (b)
36. In which one of the following cnidarians is only one ventral siphonoglyph present?
(a) Alcyonaria
(b) Hexacorallia
(c) Hydrozoa
(d) Scyphozoa
Ans. (b)
37. In the life-cycle of members of the class Digenea, the correct sequence of larval multiplication is
(a) Miracidium-metacercaria-sporocyst with rediae-rediae with cercaria-miracidium
(b) Sporocyst with rediae-cercaria.rediae with cercaria metacercaria-miracidium
(c) Miracidium-sporocyst with rediae-rediae with cercaria-cercaria-metacercaria
(d) Metacercaria-cercaria-rediae with cercaria-sporocyst with rediae-miracidium
Ans. (c)
38. A cestode, which does not require an intermediate host is
(a) Dipkyllobothrium laturn
(b) Moniezia expansa
(c) Hymenolepis nama
(d) Taenia saginata
Ans. (c)
39. Consider the following animals
I. Ascaris (Round worm)
II. Wuchereria (Filaria worm)
III. Ancylostoma (Hookworm)
1V. Fasciola (Liver fluke)
The animals which belongs to phylum Aschehninthes are
(a) I, II and III
(b) I and II only
(c) II and III only
(d) I, II, III and IV
Ans. (a)
40. Extra-intestinal migration is characteristic of the life history of
(a) liver-fluke
(b) intestinal round-worm
(c) malarial parasite
(d) tapeworm
Ans. (b)
41. Which one of the following pigments occurs in the blood of crustaceans?
(a) Hemoglobin
(b) Haemocyanin
(c) Both (a) and (b)
(d) Chlorocruorin
Ans. (b)
42. Ecdysone, the moulting hormone in insects is liberated from
(a) corpora cardiaca
(b) prothoracic gland
(c) corpora allata
(d) X-organ
Ans. (b)
43. In which one of the following groups is the earliest known larva invariably a metanauplius?
(a) Copepoda
(b) Ostracoda
(c) Cephalocarida
(d) Branchiopoda
Ans. Any option is not correct
44. Single pair of well-developed adductor muscle and byssus gland is present in
(a) Lamellidens
(b) Mytilus
(c) Unio
(d) Pila
Ans. (b)
45. Which one of the following cephalopodan molluscs does not have the ink gland?
(a) Sepia
(b) Loligo
(c) Octopus
(d) Nautilus
Ans. (d)
46. Which one of the following molluscs does not have either an external or an internal shell?
(a) Sepia
(b) Octopus
(c) Aplysia
(d) Doris
Ans. (b)
47. In which one of the following classes of Echinodermata does one come across auricularia larva?
(a) Asteroidea
(b) Echinoidea
(c) Holothuroidea
(d) Ophiuroidea
Ans. (c)
48. Consider the following pairs:
1. Contractile — Osmoregulation vacuole
2. Syzygy — Monocystis
3. Undulating membrane — Plasmodium membrane
4. Pseudopodia — Paramecium
Which of these pairs are correctly matched?
(a) 1 and 4
(b) 2 and 4
(c) 1 and 3
(d) l and 2
Ans. (d)
49. Consider the following pairs:
(i) Lithocytrs — Obelia
(ii) Choanocytes — Sycon
(iii) Chloragogen cells — Pheretima
Which of these pairs are correctly matched?
(a) i, ii and iii
(b) i and ii
(c) i and iii
(d) ii and iii
Ans. (d)
50. Match list-I (animal phyla) with list-II (names of types of cells/tissues present in the phylum) and select the correct answer using the codes given below the lists:
List-I List-II
A. Porifera 1. Choanocytes
B. Coelenterata 2. Solenocytes
C. Platyhehminthes 3. Botryoidal tissue
D. Hirudinea 4. Cnidocytes
Codes:
A B C D
(a) 1 4 3 2
(b) 1 4 2 3
(c) 4 1 3 2
(d) 4 1 2 3
Ans. (b)
IAS Prelims Papers Free Download Zoology
prelims IAS zoology solved Model paper
1. Which one of the following insects is known to be primitively apterous?
(a) Pediculus
(b) Cimex
(c) Xenopsylla
(d) Lepisma
Ans. (d)
2. Match list-I with list-II and select the correct answer using the codes below the lists:
List-I List-II
A. Sea slug 1. Scaphopoda
B. Green house slug 2. Nudibranchia
C. Squids 3. Pulmonata
D. Tooth shells 4. Cephalopoda
Codes:
A B C D
(a) 4 2 3 1
(b) 4 2 1 3
(c) 2 3 4 1
(d) 2 3 1 4
Ans. (c)
3. Which one of the following pairs is not correctly matched?
(a) Asteroidea— Asterias
(b) Echinoidea—Astropecten
(c) Holothuroidea— Cucumaria
(d) Crinoidea— Antedon
Ans. (b)
4. Which one of the following pairs in not correctly matched?
(a) Monocystis — Digenetic
(b) Paramecium — Conjugation
(c) Hydra — Budding
(d) Fasciola — Hermaphrodite
Ans. (a)
5. Totipotency phenomenon in Hydra is best demonstrated by
(a) Nutritive cells
(b) Nematocysts
(c) Interstitial cells
(d) Gland cells
Ans. (c)
6. Match list-I with list-II and select the correct answer using the codes given below the lists:
List-I List-II
A. Gastropod 1. Fasciola
B. Archnida 2. Pila
C. Ciliata 3. Paramecium
D. Trematoda 4. Buthus
Codes:
A B C D
(a) 1 2 3 4
(b) 1 2 4 3
(c) 2 4 3 1
(d) 2 4 1 3
Ans. (c)
7. In Nereis, mature and ripe gametes are discharged out of the body segments through
(a) a pair of genital ducts present in each segment that open on the ventro-lateral surface
(b) a genital duct of temporary nature that opens through a temporary pore formed in dorsally situated ciliated organ
(c) nephridiopore via nephridia present in each segment
(d) a pair of large unbranched glandular pouches or caeca that open into oesophagus, and finally through anus
Ans. (c)
8. Which one of the following is the correct order in which podomeres appear in a leg of a scorpion?
(a) Trochanter, femur, patella, coxa, tibia, protarsus, tarsus
(b) Coxa, trochanter, femur, protarsus, tarsus, tibia, patella
(c) Coxa, trochanter, femur, patella, tibia, protarsus, tarsus
(d) Coxa, femur, tibia, trochanter, patella, protarsus, tarsus.
Ans. (c)
9. Snails have a hard cone-shaped external shell. When left undisturbed, the animal is able to extend itself for a considerable degree beyond the mouth of the shell. However, a portion of the body always remains concealed in the interior of the conical shell even when the animal has extended itself to its utmost. Which of the reason(s) given below explain(s) this phenomenon?
(i) The body is organically connected with the interior of the shell.
(ii) The twisted shell the torsioned body presents a physical impediment that does not allow the full animal to go out.
Select the correct answer using the codes given below:
Codes:
(a) i alone
(b) ii alone
(c) i and ii
(d) neither i nor ii
Ans. (b)
10. The juvenile hormone in insect is secreted from
(a) corpora cardiaca
(b) prothoracic gland
(c) mushroom gland
(d) corpora allata
Ans. (d)
11. The glochidium larval form of a freshwater bivalve survives on a fish host. In the fish, it is attached to the
(a) skin
(b) gills
(c) wall of alimentary canal
(d) lining of blood vessels
Ans. (b)
12. From the functional point of view, the adductor muscle of bivalve are
(a) non-striated fibres with sustained action
(b) striated fibres with sustained action
(c) slow-acting non-striated fibres
(d) quick-acting striated fibres
Ans. (d)
13. Match list-I (patterns of cleavage) with list-II (group of animals) and select the correct answer using the codes given below the lists
List-I List-II
A. Radial 1. Echinodermata
B. Spiral 2. Mollusca
C. Bilateral 3. Ascidia
D. Irregular 4. Coelenterate
Codes:
A B C D
(a) 1 2 3 4
(b) 2 13 4
(c) 1 2 4 3
(d) 2 1 4 3
Ans. (a)
1999
14. One of the major events associated with amoeboid locomotion is
(a) actin polymerization
(b) activation of acetyicholinesterase
(c) chromosome condensation
(d) microfilament disruption’
Ans. (a)
15. The protozoan species actinophrys solution is commonly known as
(a) slipper animalcule
(b) sun animalcule
(c) whell animalcule
(d) homancule
Ans. (b)
16. Consider the following statements
(i) Xenopsylla belongs to the sub-class Pterygota of the class Insecta
(ii) Locomotory organelle of Mastigophora is flagella
(iii) Euspongia is common bath sponge
(iv) Coelenterates are pseudocoelomates
Which of the above statements is/are correct?
(a) i alone
(b) i and ii
(c) i, ii and ii
(d) ii, iii and iv
Ans. (c)
17. In which one of the following animals does the same opening function both as the mouth and the anus?
(a) Ascaris
(b) Pheretima
(d) Obelia
(c) Peripatus
Ans. (d)
18. Which one of the following is not applicable to all the three helminthes, Taenia, Fasciola and Planaria?
(a) Triploblastic forms
(b) Absence of metamerism
(c) Parasitism
(d) Absence of definite circulatory and respiratory systems
Ans. (c)
19. Which one of the following pairs is not correctly matched?
(a) Ascaris lumbricoides — Round worm
(b) Enterobius vermicularis — Pin worm
(c) Drancunculus medinensis — Filarial worm
(d) Plasmodium vivax — Malarial parasite
Ans. (c)
20. Which one of the following is the correct example for a pseudocoelomate animal?
(a) Taenia solium
(b) Fasciola hepatica
(c) Schistosoma indicum
(d) Ascaris lumbricoides
Ans. (d)
21. The derids are the
(a) excretory organs situated on the side of excretory pores of ainnelids
(b) sense organs situated on each side at the level of excretory pore of nematodes
(c) associated structures near the reproductive organs of annelids
(d) excretory organs of some arthropods
Ans. (a)
22. Which one of the following annelids becomes brilliantly luminous in the dark?
(a) Pheretima
(b) Hirudo
(c) Nereis
(d) Chaetopterus
Ans. (d)
23. The following tissues exist in the body wall of earthworm
1. Epidermis
2. Longitudinal layer of muscles
3. Circular layer of muscles
4. Cuticle
5. Dermis
The correct sequence of these tissues is:
(a) 2, 1, 3, 4, 5
(b) 5, 1, 2, 4, 3
(c) 4, 2, 3, 1, 5
(d) 4, 1, 5, 3, 2
Ans. (d)
24. Most of the lower aquatic animals such as protozoans, annelids, molluscs etc., are anamonotelic, because
(a) ammonia helps in checking in flow of water into 1ody
(b) excretion of ammonia requires large amount of water which is available to these animals
(c) water available to these animals contain less nitrogen
(d) ammonia can be converted into urea
Ans. (b)
25. Molluscs with radula having rows of teeth diverging like the ribs of fan belong to
(a) Nudibranchia
(b) Scaphopoda
(c) Rhipidoglossa
(d) Docoglossa
Ans. (d)
26. Heterocotylization is a special modification during the breeding season of
(a) Loligo
(b) Octopus
(c) Nautilus
(d) Sepia
Ans. (c)
27. Ambulacral grooves are closed in
(a) Ophiuroidea
(b) Holothuroidea
(c) Crinoidea
(d) Echinoidea
Ans. (a)
28. Lambda particles in Paramecium are particles which
(a) cause the sensitive Paramecia to lyse or disintegrate
(b) induce the Paramecia to start reproducing
(c) induce the Paramecia to stop reproducing
(d) control digestion at intervals
Ans. (a)
29. Conjugation (amphimixis) type of reproduction in Paramecium is an indication of high level of specialization where individuals of
(a) different syngens participate
(b) the same syngens belonging to two opposite mating types participate
(c) same syngens and same mating type participate
(d) the same mating type participate
Ans. (b)
30. The plasma membrane of Amoeba is
(a) sufficiently firm but elastic
(b) unable to regulate the chemical exchange between the protoplasm and outside environment
(c) unable to form pseudopodia
(d) unable to perform pinocytosis through it
Ans. (a)
31. Water vascular system in Sycon exhibits which one of the following courses following water current?
(a) Ingressing water — dermal ostia — incurrent canal — prosopyle — radial canal — apopyle — spongocoel — osculum — outside
(b) Ingressing water — dermal ostia — incurrent canal — gastral ostia —spongocoel — osculum — outside
(c) Ingressing water — dermal ostia — incurrent canal — prosopyle — radial canal — apopyle - excurrent canal
osculum — outside
(d) Ingressing water — Sub-dermal space — incurrent canal — prosopyle — radial canal — apopyle — spongocoel — osculum — outside
Ans. (a)
32. In the eurypylous leucon type water vascular system, the flagellated chamber exhibits specialization over other types in having a
(a) small chamber which communicates with the excurrent canal by a tube called prosodus
(b) small chamber - which communicates with the excurrent canal by a tube called aphodus
(c) big chamber which communicates with the excurrent canal by both prosodus and aphodus
(d) small chamber which opens into excurrent canal by abroad aperture, apopyle
Ans. (d)
33. In the adult medusoid form of Obelia, the lithocysts which coordinate swimming movements are present at the bases of
(a) all the tentacles
(b) only four tentacles, juxtaposing the termini of the four radial canals
(c) eight of the tentacles, two in each quadrant
(d) sixteen tentacles which initially appear in the newly born medusa
Ans. (c)
34. Given below are some glands of Fasciola and their respective functions:
(i) Mehlis’s glands — Shell formation
(ii) Vitelline glands — Yolk formation
(iii) Prostate glands — Sperm movement during copulation
Select the correct match using the codes given below:
Codes:
(a) i and ii
(b) ii and iii
(c) i and iii
(d) i, ii and iii
Ans. (b)
35. Which one of the following features explains the process of apolysis in Taenia?
(a) Regeneration of segments
(b) Shedding of gravid proglottid
(c) Development of male reproductive organs
(d) Development of female reproductive organs
Ans. (b)
36. In which one of the following cnidarians is only one ventral siphonoglyph present?
(a) Alcyonaria
(b) Hexacorallia
(c) Hydrozoa
(d) Scyphozoa
Ans. (b)
37. In the life-cycle of members of the class Digenea, the correct sequence of larval multiplication is
(a) Miracidium-metacercaria-sporocyst with rediae-rediae with cercaria-miracidium
(b) Sporocyst with rediae-cercaria.rediae with cercaria metacercaria-miracidium
(c) Miracidium-sporocyst with rediae-rediae with cercaria-cercaria-metacercaria
(d) Metacercaria-cercaria-rediae with cercaria-sporocyst with rediae-miracidium
Ans. (c)
38. A cestode, which does not require an intermediate host is
(a) Dipkyllobothrium laturn
(b) Moniezia expansa
(c) Hymenolepis nama
(d) Taenia saginata
Ans. (c)
39. Consider the following animals
I. Ascaris (Round worm)
II. Wuchereria (Filaria worm)
III. Ancylostoma (Hookworm)
1V. Fasciola (Liver fluke)
The animals which belongs to phylum Aschehninthes are
(a) I, II and III
(b) I and II only
(c) II and III only
(d) I, II, III and IV
Ans. (a)
40. Extra-intestinal migration is characteristic of the life history of
(a) liver-fluke
(b) intestinal round-worm
(c) malarial parasite
(d) tapeworm
Ans. (b)
41. Which one of the following pigments occurs in the blood of crustaceans?
(a) Hemoglobin
(b) Haemocyanin
(c) Both (a) and (b)
(d) Chlorocruorin
Ans. (b)
42. Ecdysone, the moulting hormone in insects is liberated from
(a) corpora cardiaca
(b) prothoracic gland
(c) corpora allata
(d) X-organ
Ans. (b)
43. In which one of the following groups is the earliest known larva invariably a metanauplius?
(a) Copepoda
(b) Ostracoda
(c) Cephalocarida
(d) Branchiopoda
Ans. Any option is not correct
44. Single pair of well-developed adductor muscle and byssus gland is present in
(a) Lamellidens
(b) Mytilus
(c) Unio
(d) Pila
Ans. (b)
45. Which one of the following cephalopodan molluscs does not have the ink gland?
(a) Sepia
(b) Loligo
(c) Octopus
(d) Nautilus
Ans. (d)
46. Which one of the following molluscs does not have either an external or an internal shell?
(a) Sepia
(b) Octopus
(c) Aplysia
(d) Doris
Ans. (b)
47. In which one of the following classes of Echinodermata does one come across auricularia larva?
(a) Asteroidea
(b) Echinoidea
(c) Holothuroidea
(d) Ophiuroidea
Ans. (c)
48. Consider the following pairs:
1. Contractile — Osmoregulation vacuole
2. Syzygy — Monocystis
3. Undulating membrane — Plasmodium membrane
4. Pseudopodia — Paramecium
Which of these pairs are correctly matched?
(a) 1 and 4
(b) 2 and 4
(c) 1 and 3
(d) l and 2
Ans. (d)
49. Consider the following pairs:
(i) Lithocytrs — Obelia
(ii) Choanocytes — Sycon
(iii) Chloragogen cells — Pheretima
Which of these pairs are correctly matched?
(a) i, ii and iii
(b) i and ii
(c) i and iii
(d) ii and iii
Ans. (d)
50. Match list-I (animal phyla) with list-II (names of types of cells/tissues present in the phylum) and select the correct answer using the codes given below the lists:
List-I List-II
A. Porifera 1. Choanocytes
B. Coelenterata 2. Solenocytes
C. Platyhehminthes 3. Botryoidal tissue
D. Hirudinea 4. Cnidocytes
Codes:
A B C D
(a) 1 4 3 2
(b) 1 4 2 3
(c) 4 1 3 2
(d) 4 1 2 3
Ans. (b)
Wednesday, February 16, 2011
Free Biology Online Practice Test
Free Biology Online Practice Test
Free Multiple Choice Questions In Biology
Free online practice tests · Biology
1. Which of the following is not vestigial in man?
(a) Tail vertebrae
(b) Nails
(c) Nictitating membrane
(d) Vermiform appendix
Ans. (b)
2. The chemical used in ‘National Malaria Eradication Programme’ is
(a) 2, 4-D
(b) BHC
(c) DDT
(d) Parathyroid
Ans. (c)
3. A eukaryotic gene contains two kinds of base sequences. Which of these plays an important role in protein synthesis?
(a) Introns
(b) Exons
(c) Both (a) and (b)
(d) None of these
Ans. (b)
4. The number of hydrogen bonds between adenine and thymine in a DNA molecule is:
(a) Two
(b) Three
(c) Four
(d) Eight
Ans. (a)
5. The enzyme, which combines with non-protein part to form a functional enzyme known a:
(a) co-enzyme
(b) Holoenzyme
(c) Apoenzyme
(d) Prosthetic group
Ans. (b)
6. Which of the following enzyme digest protein in stomach?
(a) Trypsin
(b) Pepsin
(c) Crepsin
(d) None of these
Ans. (b)
7. Passive food ingestion in Amoeba is known as:
(a) Import
(b) Invagination
(c) Circumfluence
(d) Circumvallation
Ans. (a)
8. The slime moulds are characterized by the presence of:
(a) Elaters
(b) Pseudoelaters
(c) Capillitium
(d) Capitulum
Ans. (c)
9. Ecdysone is secreted from:
(a) Insecta
(b) Trematoda
(c) Nematoda
(d) Polychaeta
Ans. (a)
10. In the life cycle of mosquito, comma-shaped stage is
(a) Larval stage
(b) Pupal stage
(c) Imago stage
(d) None of these
Ans. (b)
11. Haemocoel is found in:
(a) Hydra and Aurelia
(b) Taenia and Ascaris
(c) Cockroach and Pita
(d) Balanoglossus and Herd mania
Ans. (c)
12. The group of anamniota includes:
(a) Reptiles and birds
(b) Birds and mammals
(c) Fishes and amphibians
(d) Reptiles and mammals
Ans. (c)
13. The excretory material of bony fish is:
(a) Urea
(b) Protein
(c) Ammonia
(d) Amino acid
Ans. (c)
14. Different colour of frog skin are controlled by:
(a) Hormones
(b) Melanocytes
(c) Nervous system
(d) Both (a) and (c)
Ans. (a)
15. Blastula of frog has:
(a) Blastopore
(b) Blastocoel
(c) Archenteron
(d) Gastropore
Ans. (b)
16. Carotene pigment is found in the cells of:
(a) Dermis
(b) Epidermis
(c) Adipose cell
(d) Both (b) and (c)
Ans. (d)
17. Debove’s membrane is a layer of:
(a) Muscular tissue
(b) Epithelial tissue
(c) Connective tissue
(d) all of the above
Ans. (c)
18. Achilles tendon is associated with:
(a) Gluteus muscle
(b) Hamstring muscle
(c) Quadriceps muscle
(d) Gastrocnemius muscle
Ans. (d)
19. The leucocytes contain which of the following in large quantity?
(a) Basophils
(b) Neutrophils
(c) Eosinophils
(d) Monocytes
Ans. (b)
20. Which part of our body secreted the hormone secretin?
(a) Ileum
(b) Stomach
(c) Duodenum
(d) Oesophagus
Ans. (c)
21. During inspiration, the diaphragm:
(a) Expands
(b) Shows no change
(c) Contracts and flattens
(d) Relaxes to become dome shaped
Ans. (c)
22. The oxygen toxicity is related with:
(a) Blood poisoning
(b) Collapse of alveolar walls
(c) Failure of ventilation of lungs
(d) Both (a) and (b)
Ans. (c)
23. Cardiac output is determined by:
(a) Heart rate
(b) Stroke volume
(c) Blood flow
(d) Both (a) and (b)
Ans. (d)
24. The important function of lymph is to:
(a) Transport oxygen to the brain
(b) Transport carbon dioxide to the lungs
(c) Return RBCs to the limuloids
(d) Return interstitial fluid to the blood
Ans. (d)
25. The lining of intestine and kidneys in humans is:
(a) Keratinized
(b) Brush border
(c) Ciliated
(d) None of these
Ans. (b)
Free Multiple Choice Questions In Biology
Free online practice tests · Biology
1. Which of the following is not vestigial in man?
(a) Tail vertebrae
(b) Nails
(c) Nictitating membrane
(d) Vermiform appendix
Ans. (b)
2. The chemical used in ‘National Malaria Eradication Programme’ is
(a) 2, 4-D
(b) BHC
(c) DDT
(d) Parathyroid
Ans. (c)
3. A eukaryotic gene contains two kinds of base sequences. Which of these plays an important role in protein synthesis?
(a) Introns
(b) Exons
(c) Both (a) and (b)
(d) None of these
Ans. (b)
4. The number of hydrogen bonds between adenine and thymine in a DNA molecule is:
(a) Two
(b) Three
(c) Four
(d) Eight
Ans. (a)
5. The enzyme, which combines with non-protein part to form a functional enzyme known a:
(a) co-enzyme
(b) Holoenzyme
(c) Apoenzyme
(d) Prosthetic group
Ans. (b)
6. Which of the following enzyme digest protein in stomach?
(a) Trypsin
(b) Pepsin
(c) Crepsin
(d) None of these
Ans. (b)
7. Passive food ingestion in Amoeba is known as:
(a) Import
(b) Invagination
(c) Circumfluence
(d) Circumvallation
Ans. (a)
8. The slime moulds are characterized by the presence of:
(a) Elaters
(b) Pseudoelaters
(c) Capillitium
(d) Capitulum
Ans. (c)
9. Ecdysone is secreted from:
(a) Insecta
(b) Trematoda
(c) Nematoda
(d) Polychaeta
Ans. (a)
10. In the life cycle of mosquito, comma-shaped stage is
(a) Larval stage
(b) Pupal stage
(c) Imago stage
(d) None of these
Ans. (b)
11. Haemocoel is found in:
(a) Hydra and Aurelia
(b) Taenia and Ascaris
(c) Cockroach and Pita
(d) Balanoglossus and Herd mania
Ans. (c)
12. The group of anamniota includes:
(a) Reptiles and birds
(b) Birds and mammals
(c) Fishes and amphibians
(d) Reptiles and mammals
Ans. (c)
13. The excretory material of bony fish is:
(a) Urea
(b) Protein
(c) Ammonia
(d) Amino acid
Ans. (c)
14. Different colour of frog skin are controlled by:
(a) Hormones
(b) Melanocytes
(c) Nervous system
(d) Both (a) and (c)
Ans. (a)
15. Blastula of frog has:
(a) Blastopore
(b) Blastocoel
(c) Archenteron
(d) Gastropore
Ans. (b)
16. Carotene pigment is found in the cells of:
(a) Dermis
(b) Epidermis
(c) Adipose cell
(d) Both (b) and (c)
Ans. (d)
17. Debove’s membrane is a layer of:
(a) Muscular tissue
(b) Epithelial tissue
(c) Connective tissue
(d) all of the above
Ans. (c)
18. Achilles tendon is associated with:
(a) Gluteus muscle
(b) Hamstring muscle
(c) Quadriceps muscle
(d) Gastrocnemius muscle
Ans. (d)
19. The leucocytes contain which of the following in large quantity?
(a) Basophils
(b) Neutrophils
(c) Eosinophils
(d) Monocytes
Ans. (b)
20. Which part of our body secreted the hormone secretin?
(a) Ileum
(b) Stomach
(c) Duodenum
(d) Oesophagus
Ans. (c)
21. During inspiration, the diaphragm:
(a) Expands
(b) Shows no change
(c) Contracts and flattens
(d) Relaxes to become dome shaped
Ans. (c)
22. The oxygen toxicity is related with:
(a) Blood poisoning
(b) Collapse of alveolar walls
(c) Failure of ventilation of lungs
(d) Both (a) and (b)
Ans. (c)
23. Cardiac output is determined by:
(a) Heart rate
(b) Stroke volume
(c) Blood flow
(d) Both (a) and (b)
Ans. (d)
24. The important function of lymph is to:
(a) Transport oxygen to the brain
(b) Transport carbon dioxide to the lungs
(c) Return RBCs to the limuloids
(d) Return interstitial fluid to the blood
Ans. (d)
25. The lining of intestine and kidneys in humans is:
(a) Keratinized
(b) Brush border
(c) Ciliated
(d) None of these
Ans. (b)
Biology for Competitive Exams
Biology for Competitive Exams
Biology Quiz Questions
biology Various MEDICAL COMPETITIVE EXAMINATIONS
Biology Quiz Questions
biology Various MEDICAL COMPETITIVE EXAMINATIONS
1. Secretion of gastric juice is stimulated by:
(a) Pepsin
(b) Gastrin
(c) Renin
(d) Secretin
Ans. (b)
2. Which one is not correct?
(a) Humans—Ureotelic
(b) Birds—Uricotelic
(c) Lizards—Uricotelic
(d) Whale—Ammonotelic
Ans. (d)
3. Which one shows bio-luminescence?
(a) Noctiluca
(b) Polystomella
(c) Entamoeba
(d) Suctoria
Ans. (a)
4. Mantle, foot and shell are the characteristics of:
(a) Nautilus
(b) Echinus
(c) Limulus
(d) Euplectella
Ans. (a)
5. Protists are:
(i) Unicellular and prokaryote
(ii) Unicellular and eukaryote
(iii) Multicellular and eukaryote
(iv) Autotroph or heterotroph
(a) (i), (ii) and (iii)
(b) (ii), (iii) and (iv)
(c) (iii), (iv)
(d) (ii),(iv)
Ans. (d)
6. Pepsin is inactivated at pH:
(a) Below 3
(b) Below 2
(c) Above 5
(d) Above 3
Ans. (c)
7. Which one is not produced by aquaculture?
(a) Oyster
(b) Silkworm
(c) Singhara
(d) Frog
Ans. (b)
8. Progesterone is secreted by:
(a) Corpus luteum
(b) Utreus
(c) Placenta
(d) graafian follicle
Ans. (a)
9. Which one affects liver, muscle and adipose tissue?
(a) Androgen
(b) Insulin
(c) Progesterone
(d) Glucagon
Ans. (b)
10. Inner lining of blood vessels is formed by:
(a) Ciliated epithelium
(b) Squamous epithelium
(c) Cuboidal epithelium
(d) Columnar epithelium
Ans. (b)
11. Nucleated RBC is present in:
(a) Man
(b) Rat
(c) Frog
(d) Rabbit
Ans. (c)
12. Pellagra is caused by deficiency of vitamin:
(a) B1
(b) B2
(c) B5
(d) B6
Ans. (c)
13. The main excretory organ of prawn is:
(a) Green gland
(b) Flame cell
(c) Malpighian tubule
(d) Nephridia
Ans. (a)
14. Moulting hormone is secreted by:
(a) Corpora card iacum
(b) Prothoracic gland
(c) Corpora allata
(d) Neurosecretory hormone
Ans. (b)
15. Deoxyribonucleic and ribonucleic are secreted by:
(a) Liver
(b) Stonth
(c) Pancreas
(d) Kidney
Ans. (c)
16. Haemodialysis helps in patient having:
(a) Uremia
(b) Anemia
(c) Diabetes
(d) Goiter
Ans. (a)
17. X-rays are used in:
(a) ECG
(b) EEG
(c) CT-scan
(d) Endoscopy
Ans. (c)
18. Disease caused by deficiency of protein in children is
(a) Obesity
(b) Marasmus
(c) Diabetes
(d) Kwashiorkor
Ans. (d)
19. The thin filaments of a muscle fiber are made up of:
(a) Actin, troponin, tropomyosin
(b) Actin, troponin
(c) Myosin, troponin
(d) Actin, tropomyosin
Ans. (a)
20. The species, which is going to become extinct due to lack of proper care would be called:
(a) Rare
(b) Endangered
(c) Vulnerable
(d) Extinct
Ans. (b)
21. In which part of mitochondria does ATP synthesis occur?
(a) F1
(b) F0
(c) Cristae
(d) Inner membrane of mitochondria
Ans. (a)
22. Abnormal growth of the tumour in cancer is due to:
(a) Abnormal mitotic division
(b) Accumulation of body fluid
(c) Abnormal meiotic division
(d) Metastasis
Ans. (a)
23. Fat, prior to its oxidation associate with:
(a) Cyclic AMP
(b) Co-A
(c) GMP
(d) ATP
Ans. (b)
24. Schwann cell is found around:
(a) Axon
(b) Cyton
(c) Dendrite
(d) Dendron
Ans. (a)
25. Which part of retina consists of only cones?
(a) Fovea centralis
(b) Optic nerve
(c) Blind spot
(d) Orasmata
Ans. (a)
(a) Pepsin
(b) Gastrin
(c) Renin
(d) Secretin
Ans. (b)
2. Which one is not correct?
(a) Humans—Ureotelic
(b) Birds—Uricotelic
(c) Lizards—Uricotelic
(d) Whale—Ammonotelic
Ans. (d)
3. Which one shows bio-luminescence?
(a) Noctiluca
(b) Polystomella
(c) Entamoeba
(d) Suctoria
Ans. (a)
4. Mantle, foot and shell are the characteristics of:
(a) Nautilus
(b) Echinus
(c) Limulus
(d) Euplectella
Ans. (a)
5. Protists are:
(i) Unicellular and prokaryote
(ii) Unicellular and eukaryote
(iii) Multicellular and eukaryote
(iv) Autotroph or heterotroph
(a) (i), (ii) and (iii)
(b) (ii), (iii) and (iv)
(c) (iii), (iv)
(d) (ii),(iv)
Ans. (d)
6. Pepsin is inactivated at pH:
(a) Below 3
(b) Below 2
(c) Above 5
(d) Above 3
Ans. (c)
7. Which one is not produced by aquaculture?
(a) Oyster
(b) Silkworm
(c) Singhara
(d) Frog
Ans. (b)
8. Progesterone is secreted by:
(a) Corpus luteum
(b) Utreus
(c) Placenta
(d) graafian follicle
Ans. (a)
9. Which one affects liver, muscle and adipose tissue?
(a) Androgen
(b) Insulin
(c) Progesterone
(d) Glucagon
Ans. (b)
10. Inner lining of blood vessels is formed by:
(a) Ciliated epithelium
(b) Squamous epithelium
(c) Cuboidal epithelium
(d) Columnar epithelium
Ans. (b)
11. Nucleated RBC is present in:
(a) Man
(b) Rat
(c) Frog
(d) Rabbit
Ans. (c)
12. Pellagra is caused by deficiency of vitamin:
(a) B1
(b) B2
(c) B5
(d) B6
Ans. (c)
13. The main excretory organ of prawn is:
(a) Green gland
(b) Flame cell
(c) Malpighian tubule
(d) Nephridia
Ans. (a)
14. Moulting hormone is secreted by:
(a) Corpora card iacum
(b) Prothoracic gland
(c) Corpora allata
(d) Neurosecretory hormone
Ans. (b)
15. Deoxyribonucleic and ribonucleic are secreted by:
(a) Liver
(b) Stonth
(c) Pancreas
(d) Kidney
Ans. (c)
16. Haemodialysis helps in patient having:
(a) Uremia
(b) Anemia
(c) Diabetes
(d) Goiter
Ans. (a)
17. X-rays are used in:
(a) ECG
(b) EEG
(c) CT-scan
(d) Endoscopy
Ans. (c)
18. Disease caused by deficiency of protein in children is
(a) Obesity
(b) Marasmus
(c) Diabetes
(d) Kwashiorkor
Ans. (d)
19. The thin filaments of a muscle fiber are made up of:
(a) Actin, troponin, tropomyosin
(b) Actin, troponin
(c) Myosin, troponin
(d) Actin, tropomyosin
Ans. (a)
20. The species, which is going to become extinct due to lack of proper care would be called:
(a) Rare
(b) Endangered
(c) Vulnerable
(d) Extinct
Ans. (b)
21. In which part of mitochondria does ATP synthesis occur?
(a) F1
(b) F0
(c) Cristae
(d) Inner membrane of mitochondria
Ans. (a)
22. Abnormal growth of the tumour in cancer is due to:
(a) Abnormal mitotic division
(b) Accumulation of body fluid
(c) Abnormal meiotic division
(d) Metastasis
Ans. (a)
23. Fat, prior to its oxidation associate with:
(a) Cyclic AMP
(b) Co-A
(c) GMP
(d) ATP
Ans. (b)
24. Schwann cell is found around:
(a) Axon
(b) Cyton
(c) Dendrite
(d) Dendron
Ans. (a)
25. Which part of retina consists of only cones?
(a) Fovea centralis
(b) Optic nerve
(c) Blind spot
(d) Orasmata
Ans. (a)
Biology 10+2 level
Biology 10+2 level
10+2 in Biology
Biology (PCB) at 10+2 level
10+2 in Biology
Biology (PCB) at 10+2 level
1. Carapace is present on the dorsal surface of: (a) Elephant
(b) Tortoise
(c) Python
(d) Alligator
Ans. (b)
2. Exoskeleton is absent in:
(a) Scoliodon
(b) Frog
(c) Rabbit
(d) Fowl
Ans. (b)
3. ‘Heart, of heart’ is:
(a) SA node
(b) AV node
(c) Bundle of His
(d) Purkinje fibers
Ans. (a)
4. Which of the following is phagocytic?
(a) Monocyte
(b) RBC.
(c) Eosinophil
(d) Basophil
Ans. (b)
5. Small fish get stuck near the bottom of a shark and derives its nutrition from it. This kind of association is called as:
(a) Antibiosis
(b) commensalisms
(c) Predation
(d) Parasitism
Ans. (b)
6. Intercalated disc is found in:
(a) Muscles of heart
(b) Vertebrae
(c) Muscles of legs
(d) Public symphysis
Ans. (a)
7. Which of following is ‘immortal’?
(a) Somatic cell
(b) Glomerular cells
(c) Germ cells
(d) Cells of pituitary
Ans. (c)
8. Nerve cell does not divide because they do not have:
(a) Nucleus
(b) Centro some
(c) Golgi body
(d) Mitochondria
Ans. (b)
9. During strenuous exercise; glucose is converted into:
(a) Glycogen
(b) Pyruvic acid
(c) Starch
(d) Lactic acid
Ans. (d)
10. ‘AIDS’ is due to:
(a) Destruction of killer-T-cells
(b) Destruction of helper-T-cells
(c) Lack of interferons
(d) Autoimmunity
Ans. (b)
11. ‘Adaptation’ of eyes in dark is due to:
(a) Depletion of vision pigment in rod
(b) Depletion of vision pigment in cones
(c) Repletion of visior pigment in rods
(d) Repletion of vision pigment in cones
Ans. (c)
12. Sea gulls excrete excess of NaC1 from:
(a) Liver
(b) Lungs
(c) Nasal cavity
(d) Kidney
Ans. (c)
13. Tree of life is:
(a) Arbor vitae
(b) Pons varolii
(c) Organ of Corti
(d) Diencephalons
Ans. (a)
14. Thousands of years old mummies are still in their condition as they were before due to the non destruction of:
(a) Yellow elastic fibers
(b) White elastic fibers
(c) Collagen fibers
(d) Veins
Ans. (a)
15. Which of the following is correctly matched?
(a). Wallago attu —Lachi
(b) Tengra —Carp
(c) Catla-catla —Cat fish
(d) Paya.s —Carp
Ans. (a)
16. Two animal cells are interconnected by:
(a) Plasmodesmata
(b) Cell wall
(c) Desmosomes
(d) Plasma membrane
Ans. (c)
17. Which of the following vitamins is water soluble as well as anti-oxidant?
(a) Vitamin-B1
(b) Vitamin-A
(c) Vitamin-D
(d) Vitamin-C
Ans. (d)
18. Which of the following amino acids is not optically active?
(a) Glycine
(b) Valine
(c) Leucine
(d) Isoleucine
Ans. (a)
19. Human ear ossicles are:
(a) Incus and stapes
(b) Stapes
(c) Incus, malleus and stapes
(d) Incus and malleus
Ans. (c)
20. Transposons are:
(a) House-keeping genes
(b) Jumping genes
(c) Transporting genes
(d) Stationary genes
Ans. (b)
21. The biogenetic law of Haeckel is:
(a) Omnis vivum-e-vivum
(b) Omnis cellula-e-cellula
(c) Ontogeny repeats phylogeny
(d) Phylogeny repeats ontogeny
Ans. (c)
22. FSH is secreted by:
(a) Anterior lobe of pituitary
(b) Hypothalamus
(c) Gonads
(d) Posterior lobe of pituitary
Ans. (a)
23. Tube feet is the locomotory organ in:
(a) Starfish
(b) Jelly fish
(c) Silver fish
(d) Scoliodon
Ans. (a)
24. Flame cells are excretory organ of:
(a) Planaria
(b) Hydra
(c) Hydrilla
(d) Cockroach
Ans. (a)
25. Which of the following is not done in a wild life sanctuary?
(a) Fauna is conserved
(b) Flora is conserved
(c) Soil and flora is utilised
(d) Hunting is prohibited
Ans. (b)
(b) Tortoise
(c) Python
(d) Alligator
Ans. (b)
2. Exoskeleton is absent in:
(a) Scoliodon
(b) Frog
(c) Rabbit
(d) Fowl
Ans. (b)
3. ‘Heart, of heart’ is:
(a) SA node
(b) AV node
(c) Bundle of His
(d) Purkinje fibers
Ans. (a)
4. Which of the following is phagocytic?
(a) Monocyte
(b) RBC.
(c) Eosinophil
(d) Basophil
Ans. (b)
5. Small fish get stuck near the bottom of a shark and derives its nutrition from it. This kind of association is called as:
(a) Antibiosis
(b) commensalisms
(c) Predation
(d) Parasitism
Ans. (b)
6. Intercalated disc is found in:
(a) Muscles of heart
(b) Vertebrae
(c) Muscles of legs
(d) Public symphysis
Ans. (a)
7. Which of following is ‘immortal’?
(a) Somatic cell
(b) Glomerular cells
(c) Germ cells
(d) Cells of pituitary
Ans. (c)
8. Nerve cell does not divide because they do not have:
(a) Nucleus
(b) Centro some
(c) Golgi body
(d) Mitochondria
Ans. (b)
9. During strenuous exercise; glucose is converted into:
(a) Glycogen
(b) Pyruvic acid
(c) Starch
(d) Lactic acid
Ans. (d)
10. ‘AIDS’ is due to:
(a) Destruction of killer-T-cells
(b) Destruction of helper-T-cells
(c) Lack of interferons
(d) Autoimmunity
Ans. (b)
11. ‘Adaptation’ of eyes in dark is due to:
(a) Depletion of vision pigment in rod
(b) Depletion of vision pigment in cones
(c) Repletion of visior pigment in rods
(d) Repletion of vision pigment in cones
Ans. (c)
12. Sea gulls excrete excess of NaC1 from:
(a) Liver
(b) Lungs
(c) Nasal cavity
(d) Kidney
Ans. (c)
13. Tree of life is:
(a) Arbor vitae
(b) Pons varolii
(c) Organ of Corti
(d) Diencephalons
Ans. (a)
14. Thousands of years old mummies are still in their condition as they were before due to the non destruction of:
(a) Yellow elastic fibers
(b) White elastic fibers
(c) Collagen fibers
(d) Veins
Ans. (a)
15. Which of the following is correctly matched?
(a). Wallago attu —Lachi
(b) Tengra —Carp
(c) Catla-catla —Cat fish
(d) Paya.s —Carp
Ans. (a)
16. Two animal cells are interconnected by:
(a) Plasmodesmata
(b) Cell wall
(c) Desmosomes
(d) Plasma membrane
Ans. (c)
17. Which of the following vitamins is water soluble as well as anti-oxidant?
(a) Vitamin-B1
(b) Vitamin-A
(c) Vitamin-D
(d) Vitamin-C
Ans. (d)
18. Which of the following amino acids is not optically active?
(a) Glycine
(b) Valine
(c) Leucine
(d) Isoleucine
Ans. (a)
19. Human ear ossicles are:
(a) Incus and stapes
(b) Stapes
(c) Incus, malleus and stapes
(d) Incus and malleus
Ans. (c)
20. Transposons are:
(a) House-keeping genes
(b) Jumping genes
(c) Transporting genes
(d) Stationary genes
Ans. (b)
21. The biogenetic law of Haeckel is:
(a) Omnis vivum-e-vivum
(b) Omnis cellula-e-cellula
(c) Ontogeny repeats phylogeny
(d) Phylogeny repeats ontogeny
Ans. (c)
22. FSH is secreted by:
(a) Anterior lobe of pituitary
(b) Hypothalamus
(c) Gonads
(d) Posterior lobe of pituitary
Ans. (a)
23. Tube feet is the locomotory organ in:
(a) Starfish
(b) Jelly fish
(c) Silver fish
(d) Scoliodon
Ans. (a)
24. Flame cells are excretory organ of:
(a) Planaria
(b) Hydra
(c) Hydrilla
(d) Cockroach
Ans. (a)
25. Which of the following is not done in a wild life sanctuary?
(a) Fauna is conserved
(b) Flora is conserved
(c) Soil and flora is utilised
(d) Hunting is prohibited
Ans. (b)
MCQ ZOOLOGY BIOLOGY PMT
MCQ ZOOLOGY BIOLOGY PMT
Free Biology Cbse Pmt Online Practice Test
PMT BIOLOGY CLASS QUIZ
1. Cockroach and other insects have blood which
(a) Resembles human blood in colour
(b) Has RBCs
(c) Circulates through arteries and veins
(d) Circulates through an open system
Ans. (d)
2. Albinos have been reported in
(a) White race
(b) Black race
(c) Both (a) and (b)
(d) None of these
Ans. (c)
3. Cranial capacity of Australopithecus was
(a) 350—450 cm3
(b) 650—700 cm3
(c) 1050—1150 cm3
(d) 1400—1450 cm3
Ans. (a)
4. Which law of evolution states that “warm-blooded” mammals of hot and humid areas have abundant melanin pigment?
(a) Dollo’s law
(b) Gloger’s law
(c) Cope’s law
(d) Gause’s law
Ans. (b)
5. Reason of death of a patient of cobra-bite is
(a) Destruction of RBC5
(b) Inactivation of nerves
(c) Permanent contraction of muscles
(d) None of the above
Ans. (b)
6. The most important comp5nent of contraceptive pills is
(a) Progesterone
(b) Growth hormone
(c) Thyroxine
(d) Luteinizing hormone
Ans. (a)
7. Yolk plug forms during
(a) morula-formation
(b) blastula-formation
(c) Gastrula
(d) Neurulation
Ans. (c)
8. In which of the following only cone cells are found?
(a) Fovea centralis
(b) Retina
(c) Fossa ovalis
(d) Blind spots
Ans. (a)
9. Hepatic portal system collects blood from
(a) Liver
(b) Lungs
(c) Kidney
(d) Alimentary canal
Ans. (d)
10. The first digit of the forearm is termed
(a) Pollex
(b) Hallux
(c) Pollux
(d) None of these
Ans. (a)
11. Bidder’s canal is meant for passage of
(a) Ova
(b) Urine
(c) Sperms
(d) All of these
Ans. (c)
12. Striped muscle fibre has
(a) One nucleus
(b) Two nucleus
(c) Many nuclei
(d) No nuclei
Ans. (c)
13. Billroth’s cords are characteristic of
(a) spinal cord
(b) Notochord
(c) Nerve cord
(d) Spleen
Ans. (d)
14. Nuhn’s glands re present in
(a) Intestine
(b) Tongue
(c) Skin
(d) Stomach
Ans. (b)
15. Amylopsin acts upon
(a) Polysaccharide in any medium
(b) Polysaccharide in acidic medium
(c) Polysaccharide in alkaline medium
(d) Polypeptides
Ans. (c)
16. Hypoxia is the condition in which less oxygen becomes available to the tissues. This may be due to
(a) Lesser oxygen in the atmosphere
(b) More CO in air
(c) Less RBCs in blood
(d) all of the above
Ans. (d)
17. Carotid labyrinth contains
(a) Olfactoreceptors
(b) Baroreceptors
(c) Chemoreceptors
(d) Phonoreceptors
Ans. (b)
18. Juxtaglomerular cells of renal cortex synthesizes a hormone called
(a) ADH
(b) Oxytoxin
(c) Renin
(d) Urochrome
Ans. (c)
19. Corpora striata occur in
(a) cerebrum
(b) Cerebellum
(c) Medulla
(d) Diencephalons
Ans. (a)
20. A point mutation comprising the substitution of purine by pyramidine is called
(a) Deletion
(b) Transition
(c) Transversion
(d) Translocation
Ans. (c)
21. Exoskeleton/scales are absent in
(a) Fishes
(b) Retiles
(c) Ichthyophis
(d) Rana tigrina
Ans. (d)
22. Gill cover is absent in
(a) Shark
(c) Salmon
(b) Labeo
(d) All of these
Ans. (a)
23. The cyst wall of Euglena is made up of
(a) Lipids
(b) Histones
(c) Carbohydrates
(d) Lipoproteins
Ans. (c)
24. The class of coelenterate which exhibits polymorphism?
(a) Hydrozoa
(b) Scyphozoa
(c) Anthozoa
(d) All of these
Ans. (a)
25. Which pairing is not correct?
(a) Stegomyia — Yellow fever
(b) Pediculus —Trench fever
(c) Culex — Malaria
(d) Xenopsylla —Bubonic plague
Ans. (c)
Section-B
Direction In the following questions more than one of the answers given may be correct. Select the correct answers and mark it according to the code.
Codes
(a) 1, 2 and 3 are correct
(b) 1 and 2 are correct
(c) 2 and 4 are correct
(d) 1 and 3 are correct
26. On the basis of nature of maternal and foetal tissue, types of placenta are
(1) Haemochorial placenta
(2) Haemoendothelial placenta
(3) Cotyledonary placenta
(4) Deciduate placenta
Ans. (2)
27. Antigenic determinant sites bind to which portions of an antibody molecule?
(1) Light chain
(2) Heavy chain
(3) Intermediate chains
(4) Plasma cells
Ans. (2)
28. Types of quill (flight) feathers are
(1) Down feathers
(2) Covert
(3) Filoplume
(4) Remiges
Ans. (3)
29. Which of the following factors rise the P50 value and shifts the Hb02 dissociaon curve to right and vice versa?
(1) Rise in PCO2
(2) Rise in H+ ions (= fall in pH)
(3) Fall in temperature
(4) Fall in diphosphoglyceric acid
Ans. (2)
30. Which of the following are fat soluble vitamins?
(1) Retinol
(2) Calciferol
(3) Tocopherol
(4) Riboflavin
Ans. (1)
31. Uric acid is an excretory product of
(1) Insects
(2) Birds
(3) Terrestrial reptiles
(4) Mammals
Ans. (1)
32. Spongy or cancellous bones are
(1) Skull bones
(2) Vertebrae
(3) Femur
(4) Ribs
Ans. (2)
33. Cowper’s gland secrete a substance to
(1) Nourish sperms
(2) Neutralize acidity
(3) Kill pathogens
(4) lubricate female’s vagina to facilitate copulation
Ans. (3)
34. The valve situated between the left atrium and left ventricle is called
(1) Bicuspid valve
(2) Tricuspid valve
(3) Mitral valve
(4) Eustachian valve
Ans. (4)
35. Bipolar neurons occur in
(1) Retina of eyes
(2) Olfactory epithelium
(3) Inner ear
(4) Brain
Ans. (1)
36. Cardiac muscles are
(1) Striated
(2) Voluntary
(3) Involuntary
(4) Nonstriated
Ans. (4)
37. Anterior lobe of pituitary gland secretes
(1) ACTH, TSH and oxytocin
(2) STH, GH and TSH
(3) TSH ADH and Prolactin
(4) FSH, GH and LH
Ans. (3)
38. Which ‘of the following is true about preen gland?
(1) Occur in birds
(2) Also known as uropygial gland
(3) Occur in bats
(4) Help in digestion
Ans. (2)
39. Cartilaginous fishes have
(1) Placoid. Scales
(2) Cycloid or ctenoid scales
(3) Scroll valve
(4) Operculum
Ans. (4)
40. Which of the following belongs to phylum Arthropoda?
(1) Cockroach
(2) Goldfish
(3) Silverfish
(4) Cuttlefish
Ans. (4)
41. Structures present in a mature proglottid are
(1) A pair of longitudinal nerve cord (lateral nerve cord)
(2) Mehli’s gland
(3) Cirrus sac
(4) One ovary and two oviducts
Ans. (1)
42. Proteolytic enzymes present in the pancreatic juice are
(1) Pepsin
(2) Elastase
(3) Salivary amylase
(4) Chymotrypsin
Ans. (3)
43. RBC and adipose tissue cells respire anaerobically because they
(1) Possess very few mitochondria
(2) require much less energy
(3) Possess very few mitochondria and a large amount of energy
(4) Possess .carbonic anhydrous
Ans. (2)
44. The coats of eyeball are
(1) Sciera
(2) Retina
(3) Conjunctiva
(4) Otolith membrane
Ans. (2)
45. Which of the following structure is absent in forelimb of frog?
(1) Brachium
(2) Web
(3) Antebrachium
(4) Tarsal
Ans. (3)
46. P-wave of ECG indicates
(1) Depolarization of atrial muscles
(2) Activation of SA-node
(3) Spread of excitation from SA node to AV node
(4) Repolarization of atria and depolarization of ventricles
Ans. (2)
47. Which of the following cranial nerves are mixed 1’
(1) Vagus
(2) Trigeminal
(3) Glossopharyngeal
(4) Auditory
Ans. (1)
48. Which of the following is correct grouping?
(1) Ectoderm—retina, epidermis, nervous system
(2) Mesoderm—ovary, urinary bladder, Kidney
(3) Mesoderm—kidney, connective tissue, testis
(4) Endoderm—thyroid, pineal gland, thymus
Ans. (4)
49. Heterochromatin
(1) Contains a highly repetitice sequence of DNA
(2) Is the inert segment of the chromosome adjacent to the centromere?
(3) Is tightly coiled during the interphase
(4) Lightly stained regions
Ans. (1)
50. Which of the following are haploid in nature?
(1) Spermatids
(2) Secondary spermatocytes
(3) Spermatogonia
(4) Primary spermatocytes
Ans. (2)
Free Biology Cbse Pmt Online Practice Test
PMT BIOLOGY CLASS QUIZ
1. Cockroach and other insects have blood which
(a) Resembles human blood in colour
(b) Has RBCs
(c) Circulates through arteries and veins
(d) Circulates through an open system
Ans. (d)
2. Albinos have been reported in
(a) White race
(b) Black race
(c) Both (a) and (b)
(d) None of these
Ans. (c)
3. Cranial capacity of Australopithecus was
(a) 350—450 cm3
(b) 650—700 cm3
(c) 1050—1150 cm3
(d) 1400—1450 cm3
Ans. (a)
4. Which law of evolution states that “warm-blooded” mammals of hot and humid areas have abundant melanin pigment?
(a) Dollo’s law
(b) Gloger’s law
(c) Cope’s law
(d) Gause’s law
Ans. (b)
5. Reason of death of a patient of cobra-bite is
(a) Destruction of RBC5
(b) Inactivation of nerves
(c) Permanent contraction of muscles
(d) None of the above
Ans. (b)
6. The most important comp5nent of contraceptive pills is
(a) Progesterone
(b) Growth hormone
(c) Thyroxine
(d) Luteinizing hormone
Ans. (a)
7. Yolk plug forms during
(a) morula-formation
(b) blastula-formation
(c) Gastrula
(d) Neurulation
Ans. (c)
8. In which of the following only cone cells are found?
(a) Fovea centralis
(b) Retina
(c) Fossa ovalis
(d) Blind spots
Ans. (a)
9. Hepatic portal system collects blood from
(a) Liver
(b) Lungs
(c) Kidney
(d) Alimentary canal
Ans. (d)
10. The first digit of the forearm is termed
(a) Pollex
(b) Hallux
(c) Pollux
(d) None of these
Ans. (a)
11. Bidder’s canal is meant for passage of
(a) Ova
(b) Urine
(c) Sperms
(d) All of these
Ans. (c)
12. Striped muscle fibre has
(a) One nucleus
(b) Two nucleus
(c) Many nuclei
(d) No nuclei
Ans. (c)
13. Billroth’s cords are characteristic of
(a) spinal cord
(b) Notochord
(c) Nerve cord
(d) Spleen
Ans. (d)
14. Nuhn’s glands re present in
(a) Intestine
(b) Tongue
(c) Skin
(d) Stomach
Ans. (b)
15. Amylopsin acts upon
(a) Polysaccharide in any medium
(b) Polysaccharide in acidic medium
(c) Polysaccharide in alkaline medium
(d) Polypeptides
Ans. (c)
16. Hypoxia is the condition in which less oxygen becomes available to the tissues. This may be due to
(a) Lesser oxygen in the atmosphere
(b) More CO in air
(c) Less RBCs in blood
(d) all of the above
Ans. (d)
17. Carotid labyrinth contains
(a) Olfactoreceptors
(b) Baroreceptors
(c) Chemoreceptors
(d) Phonoreceptors
Ans. (b)
18. Juxtaglomerular cells of renal cortex synthesizes a hormone called
(a) ADH
(b) Oxytoxin
(c) Renin
(d) Urochrome
Ans. (c)
19. Corpora striata occur in
(a) cerebrum
(b) Cerebellum
(c) Medulla
(d) Diencephalons
Ans. (a)
20. A point mutation comprising the substitution of purine by pyramidine is called
(a) Deletion
(b) Transition
(c) Transversion
(d) Translocation
Ans. (c)
21. Exoskeleton/scales are absent in
(a) Fishes
(b) Retiles
(c) Ichthyophis
(d) Rana tigrina
Ans. (d)
22. Gill cover is absent in
(a) Shark
(c) Salmon
(b) Labeo
(d) All of these
Ans. (a)
23. The cyst wall of Euglena is made up of
(a) Lipids
(b) Histones
(c) Carbohydrates
(d) Lipoproteins
Ans. (c)
24. The class of coelenterate which exhibits polymorphism?
(a) Hydrozoa
(b) Scyphozoa
(c) Anthozoa
(d) All of these
Ans. (a)
25. Which pairing is not correct?
(a) Stegomyia — Yellow fever
(b) Pediculus —Trench fever
(c) Culex — Malaria
(d) Xenopsylla —Bubonic plague
Ans. (c)
Section-B
Direction In the following questions more than one of the answers given may be correct. Select the correct answers and mark it according to the code.
Codes
(a) 1, 2 and 3 are correct
(b) 1 and 2 are correct
(c) 2 and 4 are correct
(d) 1 and 3 are correct
26. On the basis of nature of maternal and foetal tissue, types of placenta are
(1) Haemochorial placenta
(2) Haemoendothelial placenta
(3) Cotyledonary placenta
(4) Deciduate placenta
Ans. (2)
27. Antigenic determinant sites bind to which portions of an antibody molecule?
(1) Light chain
(2) Heavy chain
(3) Intermediate chains
(4) Plasma cells
Ans. (2)
28. Types of quill (flight) feathers are
(1) Down feathers
(2) Covert
(3) Filoplume
(4) Remiges
Ans. (3)
29. Which of the following factors rise the P50 value and shifts the Hb02 dissociaon curve to right and vice versa?
(1) Rise in PCO2
(2) Rise in H+ ions (= fall in pH)
(3) Fall in temperature
(4) Fall in diphosphoglyceric acid
Ans. (2)
30. Which of the following are fat soluble vitamins?
(1) Retinol
(2) Calciferol
(3) Tocopherol
(4) Riboflavin
Ans. (1)
31. Uric acid is an excretory product of
(1) Insects
(2) Birds
(3) Terrestrial reptiles
(4) Mammals
Ans. (1)
32. Spongy or cancellous bones are
(1) Skull bones
(2) Vertebrae
(3) Femur
(4) Ribs
Ans. (2)
33. Cowper’s gland secrete a substance to
(1) Nourish sperms
(2) Neutralize acidity
(3) Kill pathogens
(4) lubricate female’s vagina to facilitate copulation
Ans. (3)
34. The valve situated between the left atrium and left ventricle is called
(1) Bicuspid valve
(2) Tricuspid valve
(3) Mitral valve
(4) Eustachian valve
Ans. (4)
35. Bipolar neurons occur in
(1) Retina of eyes
(2) Olfactory epithelium
(3) Inner ear
(4) Brain
Ans. (1)
36. Cardiac muscles are
(1) Striated
(2) Voluntary
(3) Involuntary
(4) Nonstriated
Ans. (4)
37. Anterior lobe of pituitary gland secretes
(1) ACTH, TSH and oxytocin
(2) STH, GH and TSH
(3) TSH ADH and Prolactin
(4) FSH, GH and LH
Ans. (3)
38. Which ‘of the following is true about preen gland?
(1) Occur in birds
(2) Also known as uropygial gland
(3) Occur in bats
(4) Help in digestion
Ans. (2)
39. Cartilaginous fishes have
(1) Placoid. Scales
(2) Cycloid or ctenoid scales
(3) Scroll valve
(4) Operculum
Ans. (4)
40. Which of the following belongs to phylum Arthropoda?
(1) Cockroach
(2) Goldfish
(3) Silverfish
(4) Cuttlefish
Ans. (4)
41. Structures present in a mature proglottid are
(1) A pair of longitudinal nerve cord (lateral nerve cord)
(2) Mehli’s gland
(3) Cirrus sac
(4) One ovary and two oviducts
Ans. (1)
42. Proteolytic enzymes present in the pancreatic juice are
(1) Pepsin
(2) Elastase
(3) Salivary amylase
(4) Chymotrypsin
Ans. (3)
43. RBC and adipose tissue cells respire anaerobically because they
(1) Possess very few mitochondria
(2) require much less energy
(3) Possess very few mitochondria and a large amount of energy
(4) Possess .carbonic anhydrous
Ans. (2)
44. The coats of eyeball are
(1) Sciera
(2) Retina
(3) Conjunctiva
(4) Otolith membrane
Ans. (2)
45. Which of the following structure is absent in forelimb of frog?
(1) Brachium
(2) Web
(3) Antebrachium
(4) Tarsal
Ans. (3)
46. P-wave of ECG indicates
(1) Depolarization of atrial muscles
(2) Activation of SA-node
(3) Spread of excitation from SA node to AV node
(4) Repolarization of atria and depolarization of ventricles
Ans. (2)
47. Which of the following cranial nerves are mixed 1’
(1) Vagus
(2) Trigeminal
(3) Glossopharyngeal
(4) Auditory
Ans. (1)
48. Which of the following is correct grouping?
(1) Ectoderm—retina, epidermis, nervous system
(2) Mesoderm—ovary, urinary bladder, Kidney
(3) Mesoderm—kidney, connective tissue, testis
(4) Endoderm—thyroid, pineal gland, thymus
Ans. (4)
49. Heterochromatin
(1) Contains a highly repetitice sequence of DNA
(2) Is the inert segment of the chromosome adjacent to the centromere?
(3) Is tightly coiled during the interphase
(4) Lightly stained regions
Ans. (1)
50. Which of the following are haploid in nature?
(1) Spermatids
(2) Secondary spermatocytes
(3) Spermatogonia
(4) Primary spermatocytes
Ans. (2)
zoology biology mcq
zoology biology mcq
biology multiple choice questions
Online Biology MCQ
1. ‘Salmon’ fishes are group of fishes belonging 41 to:
(a) Cod fish
(b) Trout
(c) Bony fish
(d) Cartilaginous fish
Ans. (b)
2. Renal portal system is absent in:
(a) Reptiles
(b) Amphibians
(c) Mammals
(d) Birds
Ans. (c)
3. Water reabsorption in kidney is controlled by:
(a) Aldosteron
(b) ADN
(c) GH
(d) Oxytocin
Ans. (b)
4. Hypercromism is presence of:
(a) Same type of chromosome less than one
(b) Highly pertinacious chromosomes
(c) Same type of chromosome more than one
(d) Dark colored skin
Ans. (c)
5. Relaxin is released from:
(a) Testis
(b) Pituitary
(c) Adrenal
(d) Ovary
Ans. (d)
6. Mammary glands are modification of:
(a) Meibomian glands
(b) Sweat glands
(c) Sebaceous gland
(d) None of the above
Ans. (b)
7. A ‘drunken person’ has the earliest effect on brains
(a) Cerebrum
(b) Medulla oblongata
(c) Cerebellum
(d) Frontal
Ans. (c)
8. Antibodies are:
(a) Carbohydrates
(b) Immunoglobulin
(c) Globular proteins
(d) Extrinsic proteins
Ans. (b)
9. Fertilized ovum in human is transplanted in the uterus after:
(a) one day of fertilization
(b) 7 days of fertilization
(c) 10 days of fertilization
(d) 15 days of fertilization
Ans. (b)
10. Dinosaurs became extinct in:
(a) Permian period
(b) Triassic period
(c) Cretaceous period
(d) Jurassic period
Ans. (c)
11. An immune disease in which the body destroys the ill functioning thyroid gland itself is:
(a) Simmond’s disease
(b) Myxodema
(c) Hashimoto’s disease
(d) Hurler’s disease
Ans. (c)
12. Failure of decent of testes in scrotal sac called
(a) crypto-orchidism
(b) Vasectomy
(c) Impotency
(d) Tubectomy
Ans. (a)
13. Highest cranial capacity is present in:
(a) Peking man
(b) Java man
(c) Cro-Magnon man
(d) Neanderthal man
Ans. (c)
14. Hand of man, wing of bat, flipper of seal represents:
(a) Analogous organs
(b) Homologous organs
(c) Vestigial organs
(d) Essential organs
Ans. (b)
15. Humoral immune system comprises of:
(a) Monocytes
(b) Lymphocytes
(c) ‘B’ and ‘T’ lymphocytes
(d) RBC
Ans. (c)
16. Hydra is a:
(a) Freshwater, radial symmetrical and diploblastic animal
(b) Marine, radial symmetrical and diploblastic animal
(c) Marine, radial symmetrical and diploblastic plant
(d) Freshwater, bilateral symmetrical and diploblastic animal
Ans. (a)
17. Which DNA molecule among the following will melt at lowest temperature?
(a) 5’-G-c-A-T-G–C-T 3’
3’ C-G-T-A-T-C-G–A-5
(b) 5’-A-A-T-A-A-A-G-C-T-3’
3’-T-T-A-T-T-T-C-G-A-5’
(c) 5’-A-T-G–C-T-G-A-T 3’
3’-T-A-C-G-A-C-T-A-5’
(d) 5’-A-A-T-A-G—C-T–G-C-3’
3’-T-T-T-A-C–G–A–C–G-S’
Ans. (b)
18. Crayfish is a:
(a) Arthropod
(b) Fish
(c) Mollusc
(d) Virus
Ans. (a)
19. Leishmania tropica causes:
(a) Sleeping sickness
(b) Kala-azar
(c) Fibrosis
(d) Oriental sore
Ans. (d)
20. Shell of mollusc is produced by its:
(a) Radula
(b) Mantle
(c) Visceral mass
(d) Pedal structure
Ans. (b)
21. Limulus belongs to class:
(a) Crustacea
(b) Insect
(c) Arachnida
(d) Onychophora
Ans. (c)
22. Trypanosome causes:
(a) Sleeping sickness
(b) Kala-azar
(c) Diarrhea
(d) Colitis
Ans. (a)
23. Squid, Cuttle fish and Octopus belong to class:
(a) Decapods
(b) Cephalopodan
(c) Scaphopoda
(d) Apoda
Ans. (b)
24. Mostly reared silk worm in India is:
(a) Anthera roylei
(b) Anthera assama
(c) Anthera dorsata
(d) Bombyx mori
Ans. (d)
25. Ovulation in females is under the control of:
(a) ADH and LH
(b) LTH and TSH
(c) T3 and TSH
(d) FSH and LH
Ans. (d)
26. Honey bee species reared most widely in India in artificial hives is
(a) Apis florea
(b) Apis indica
(c) Apis dorsata
(d) Apis rejuvenate
Ans. (d)
27. Laurer’s canal is present in:
(a) Fasciola
(b) Ascaris
(c) Cockroach
(d) Taenia
Ans. (a)
28. Hormone, which helps in metamorphosis in insects is:
(a) Ecdysone
(b) Pheromone
(c) Thyroxine
(d) Pitutrine
Ans. (a)
29. Jelly over frog’s egg is formed:
(a) During fertilization
(b) After fertilization in water
(c) After fertilization outside water
(d) None of the above
Ans. (b)
30. The character common in reptiles and birds is:
(a) diaphragm
(b) Homoeothermic
(c) Teates
(d) Amnion
Ans. (d)
31. Closely related, morphologically similar sympatric populations, but reproductively isolated, are. Designated as:
(a) Clones
(b) Dine
(c) Sibling species
(d) Demes
Ans. (c)
32. Discoidal placenta is found in:
(a) Rabbit
(b) Sheep
(c) Pig
(d) Deer
Ans. (a)
33. The joint of radio-ulna with the upper arm is:
(a) Pivot joint
(b) Socket joint
(c) Fixed joint
(d) Hinge joint.
Ans. (d)
34. The blood is carried from lungs to heart by:
(a) Cardiac vessel
(b) Pulmonary vein
(c) Pulmonary artery
(d) Carotid vein
Ans. (b)
35. DNA replication takes place in:
(a) M-phase
(b) G1-phase
(c) S-phase
(d) G2-phase
Ans. (c)
36. An auto-immune disease is
(a) Hemophilia
(b) Albinism
(c) Myasthenia gravis
(d) Herpes
Ans. (c)
37. A disease common in Africans is:
(a) Pernicious anemia
(b) Sickle cell anemia
(c) Malaria
(d) Hemophilia
Ans. (b)
38. Genes are responsible for the growth and differentiation in an organism through regulation of:
(a) Translation
(b) Transcription
(c) Both (a) and (b)
(d) Transformation
Ans. (c)
39. Ultra filtration is determined by:
(a) Glomerular hydrostatic pressure
(b) Colloid osmotic pressure of blood
(c) Capsular hydrostatic pressure
(d) All of the above
Ans. (d)
40. Prolonged deficiency of nicotinic acid causes
(a) Anaemia
(b) Pellagra
(c) Osteomalacia
(d) Xerophthalmia
Ans. (b)
41. An epithelial tissue which has thin flat cells, arranged edge to edge so as to appear like close packed tiles is present in inner lining of:
(a) Stomach
(b) Chee.k
(c) Chin
(d) Ovary
Ans. (b)
42. The smallest taxonomic group of animals having a cranium, vertebral column, ventral heart, pulmonary respiration and 2 pairs of legs is in class
(a) Vertebrata
(b) Chordate
(c) Tetrapoda
(d) Agnetha
Ans. (c)
43. Arachidonic acid is:
(a) Non-essential fatty acid
(b) Essential fatty acid
(c) Poly-unsaturated fatty acid
(d) Both (b) and (c)
Ans. (d)
44. Nickel is a component of enzyme:
(a) Urease
(b) Carboxylase
(c) Nitrogenase
(d) Nitrate reductase
Ans. (a)
45. Two free rib nucleotide units are interlinked with:
(a) Peptide bond
(b) Covalent bond
(C) Hydrogen bond
(d) Phosphodiester bond
Ans. (d)
46. Induced fit theory of enzyme action was given by:
(a) Koshland
(c) Sumner
(b) Fischer
(d) Buchner
Ans. (a)
47. Pasteurization is a process carried out for 30 minutes at:
(a) 40-50°C
(c) 80-100°C
(b) 60-70°C
(d) 100-120°C
Ans. (b)
48. Which statement explains the evolutionary advantage of meiosis?
(a) It is necessary for asexual reproduction
(b) It alternates mitosis from one generation to other
(c) Genetic recombinants give variability
(d) It alters the characters of parents
Ans. (c)
49. Which of the following is a transparent tissue?
(a) Hyaline cartilage
(b) Fibrous cartilage
(c) Tendons
(d) Ligaments
Ans. (a)
50. Each spinal nerve in mammal arises from the spinal cord by two roots, a dorsal and a ventral. The ventral root is composed of:
(a) Somatic motor and visceral motor fibre
(b) Somatic motor and visceral sensory fibre
(c) Somatic sensory and visceral motor fibre
(d) Somatic sensory and visceral sensory fiber
Ans. (a)
biology multiple choice questions
Online Biology MCQ
1. ‘Salmon’ fishes are group of fishes belonging 41 to:
(a) Cod fish
(b) Trout
(c) Bony fish
(d) Cartilaginous fish
Ans. (b)
2. Renal portal system is absent in:
(a) Reptiles
(b) Amphibians
(c) Mammals
(d) Birds
Ans. (c)
3. Water reabsorption in kidney is controlled by:
(a) Aldosteron
(b) ADN
(c) GH
(d) Oxytocin
Ans. (b)
4. Hypercromism is presence of:
(a) Same type of chromosome less than one
(b) Highly pertinacious chromosomes
(c) Same type of chromosome more than one
(d) Dark colored skin
Ans. (c)
5. Relaxin is released from:
(a) Testis
(b) Pituitary
(c) Adrenal
(d) Ovary
Ans. (d)
6. Mammary glands are modification of:
(a) Meibomian glands
(b) Sweat glands
(c) Sebaceous gland
(d) None of the above
Ans. (b)
7. A ‘drunken person’ has the earliest effect on brains
(a) Cerebrum
(b) Medulla oblongata
(c) Cerebellum
(d) Frontal
Ans. (c)
8. Antibodies are:
(a) Carbohydrates
(b) Immunoglobulin
(c) Globular proteins
(d) Extrinsic proteins
Ans. (b)
9. Fertilized ovum in human is transplanted in the uterus after:
(a) one day of fertilization
(b) 7 days of fertilization
(c) 10 days of fertilization
(d) 15 days of fertilization
Ans. (b)
10. Dinosaurs became extinct in:
(a) Permian period
(b) Triassic period
(c) Cretaceous period
(d) Jurassic period
Ans. (c)
11. An immune disease in which the body destroys the ill functioning thyroid gland itself is:
(a) Simmond’s disease
(b) Myxodema
(c) Hashimoto’s disease
(d) Hurler’s disease
Ans. (c)
12. Failure of decent of testes in scrotal sac called
(a) crypto-orchidism
(b) Vasectomy
(c) Impotency
(d) Tubectomy
Ans. (a)
13. Highest cranial capacity is present in:
(a) Peking man
(b) Java man
(c) Cro-Magnon man
(d) Neanderthal man
Ans. (c)
14. Hand of man, wing of bat, flipper of seal represents:
(a) Analogous organs
(b) Homologous organs
(c) Vestigial organs
(d) Essential organs
Ans. (b)
15. Humoral immune system comprises of:
(a) Monocytes
(b) Lymphocytes
(c) ‘B’ and ‘T’ lymphocytes
(d) RBC
Ans. (c)
16. Hydra is a:
(a) Freshwater, radial symmetrical and diploblastic animal
(b) Marine, radial symmetrical and diploblastic animal
(c) Marine, radial symmetrical and diploblastic plant
(d) Freshwater, bilateral symmetrical and diploblastic animal
Ans. (a)
17. Which DNA molecule among the following will melt at lowest temperature?
(a) 5’-G-c-A-T-G–C-T 3’
3’ C-G-T-A-T-C-G–A-5
(b) 5’-A-A-T-A-A-A-G-C-T-3’
3’-T-T-A-T-T-T-C-G-A-5’
(c) 5’-A-T-G–C-T-G-A-T 3’
3’-T-A-C-G-A-C-T-A-5’
(d) 5’-A-A-T-A-G—C-T–G-C-3’
3’-T-T-T-A-C–G–A–C–G-S’
Ans. (b)
18. Crayfish is a:
(a) Arthropod
(b) Fish
(c) Mollusc
(d) Virus
Ans. (a)
19. Leishmania tropica causes:
(a) Sleeping sickness
(b) Kala-azar
(c) Fibrosis
(d) Oriental sore
Ans. (d)
20. Shell of mollusc is produced by its:
(a) Radula
(b) Mantle
(c) Visceral mass
(d) Pedal structure
Ans. (b)
21. Limulus belongs to class:
(a) Crustacea
(b) Insect
(c) Arachnida
(d) Onychophora
Ans. (c)
22. Trypanosome causes:
(a) Sleeping sickness
(b) Kala-azar
(c) Diarrhea
(d) Colitis
Ans. (a)
23. Squid, Cuttle fish and Octopus belong to class:
(a) Decapods
(b) Cephalopodan
(c) Scaphopoda
(d) Apoda
Ans. (b)
24. Mostly reared silk worm in India is:
(a) Anthera roylei
(b) Anthera assama
(c) Anthera dorsata
(d) Bombyx mori
Ans. (d)
25. Ovulation in females is under the control of:
(a) ADH and LH
(b) LTH and TSH
(c) T3 and TSH
(d) FSH and LH
Ans. (d)
26. Honey bee species reared most widely in India in artificial hives is
(a) Apis florea
(b) Apis indica
(c) Apis dorsata
(d) Apis rejuvenate
Ans. (d)
27. Laurer’s canal is present in:
(a) Fasciola
(b) Ascaris
(c) Cockroach
(d) Taenia
Ans. (a)
28. Hormone, which helps in metamorphosis in insects is:
(a) Ecdysone
(b) Pheromone
(c) Thyroxine
(d) Pitutrine
Ans. (a)
29. Jelly over frog’s egg is formed:
(a) During fertilization
(b) After fertilization in water
(c) After fertilization outside water
(d) None of the above
Ans. (b)
30. The character common in reptiles and birds is:
(a) diaphragm
(b) Homoeothermic
(c) Teates
(d) Amnion
Ans. (d)
31. Closely related, morphologically similar sympatric populations, but reproductively isolated, are. Designated as:
(a) Clones
(b) Dine
(c) Sibling species
(d) Demes
Ans. (c)
32. Discoidal placenta is found in:
(a) Rabbit
(b) Sheep
(c) Pig
(d) Deer
Ans. (a)
33. The joint of radio-ulna with the upper arm is:
(a) Pivot joint
(b) Socket joint
(c) Fixed joint
(d) Hinge joint.
Ans. (d)
34. The blood is carried from lungs to heart by:
(a) Cardiac vessel
(b) Pulmonary vein
(c) Pulmonary artery
(d) Carotid vein
Ans. (b)
35. DNA replication takes place in:
(a) M-phase
(b) G1-phase
(c) S-phase
(d) G2-phase
Ans. (c)
36. An auto-immune disease is
(a) Hemophilia
(b) Albinism
(c) Myasthenia gravis
(d) Herpes
Ans. (c)
37. A disease common in Africans is:
(a) Pernicious anemia
(b) Sickle cell anemia
(c) Malaria
(d) Hemophilia
Ans. (b)
38. Genes are responsible for the growth and differentiation in an organism through regulation of:
(a) Translation
(b) Transcription
(c) Both (a) and (b)
(d) Transformation
Ans. (c)
39. Ultra filtration is determined by:
(a) Glomerular hydrostatic pressure
(b) Colloid osmotic pressure of blood
(c) Capsular hydrostatic pressure
(d) All of the above
Ans. (d)
40. Prolonged deficiency of nicotinic acid causes
(a) Anaemia
(b) Pellagra
(c) Osteomalacia
(d) Xerophthalmia
Ans. (b)
41. An epithelial tissue which has thin flat cells, arranged edge to edge so as to appear like close packed tiles is present in inner lining of:
(a) Stomach
(b) Chee.k
(c) Chin
(d) Ovary
Ans. (b)
42. The smallest taxonomic group of animals having a cranium, vertebral column, ventral heart, pulmonary respiration and 2 pairs of legs is in class
(a) Vertebrata
(b) Chordate
(c) Tetrapoda
(d) Agnetha
Ans. (c)
43. Arachidonic acid is:
(a) Non-essential fatty acid
(b) Essential fatty acid
(c) Poly-unsaturated fatty acid
(d) Both (b) and (c)
Ans. (d)
44. Nickel is a component of enzyme:
(a) Urease
(b) Carboxylase
(c) Nitrogenase
(d) Nitrate reductase
Ans. (a)
45. Two free rib nucleotide units are interlinked with:
(a) Peptide bond
(b) Covalent bond
(C) Hydrogen bond
(d) Phosphodiester bond
Ans. (d)
46. Induced fit theory of enzyme action was given by:
(a) Koshland
(c) Sumner
(b) Fischer
(d) Buchner
Ans. (a)
47. Pasteurization is a process carried out for 30 minutes at:
(a) 40-50°C
(c) 80-100°C
(b) 60-70°C
(d) 100-120°C
Ans. (b)
48. Which statement explains the evolutionary advantage of meiosis?
(a) It is necessary for asexual reproduction
(b) It alternates mitosis from one generation to other
(c) Genetic recombinants give variability
(d) It alters the characters of parents
Ans. (c)
49. Which of the following is a transparent tissue?
(a) Hyaline cartilage
(b) Fibrous cartilage
(c) Tendons
(d) Ligaments
Ans. (a)
50. Each spinal nerve in mammal arises from the spinal cord by two roots, a dorsal and a ventral. The ventral root is composed of:
(a) Somatic motor and visceral motor fibre
(b) Somatic motor and visceral sensory fibre
(c) Somatic sensory and visceral motor fibre
(d) Somatic sensory and visceral sensory fiber
Ans. (a)
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